Updated travisci file to remove allow_failures on Puppet4
Updated travisci file to remove allow_failures on Puppet4

fuel-infra/puppetlabs-stdlib,puppetlabs/puppetlabs-stdlib,DavidS/puppetlabs-stdlib,yadavnikhil/puppetlabs-stdlib,jbondpdx/puppetlabs-stdlib,HelenCampbell/puppetlabs-stdlib